49 search results - page 2 / 10 » OFDM Resource Allocation Scheme for Minimizing Power Consump... |
GLOBECOM
2009
IEEE
13 years 8 months ago
2009
IEEE
We study the joint allocation of three types of resources, namely, power, subcarriers and relay nodes, in cooperative two-hop multi-relay OFDM systems. Each relay adopts the amplif...
GLOBECOM
2006
IEEE
13 years 10 months ago
2006
IEEE
Abstract— For multi-user orthogonal frequency division multiplexing (OFDM) systems, efficient optimal rate and power allocation algorithms are presented via geometric programmin...
ICASSP
2010
IEEE
13 years 4 months ago
2010
IEEE
The resource allocation problem in wireless multi-user decode-and-forward (DF) relay networks is considered. The conventional resource allocation schemes based on the equal distri...
ICC
2009
IEEE
13 years 2 months ago
2009
IEEE
In this paper, we study power allocation (PA) in a single-relay OFDM system with limited feedback. We propose a PA scheme that uses a codebook of quantized PA vectors designed offl...
VTC
2010
IEEE
13 years 2 months ago
2010
IEEE
—Hierarchical cellular networks (HCNs), in which femtocells are deployed in the coverage of a conventional macrocell, offer a cost effective solution to achieve high user capacit...